V1.0.5

bsp/artinchip/sys/g73x/ram_param.c

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2024 ArtInChip Technology Co.,Ltd
+ * Author: Xiong Hao <hao.xiong@artinchip.com>
+ */
+
+#include <stdio.h>
+#include <aic_core.h>
+#include <aic_common.h>
+#include <ram_param.h>
+
+#define PSRAM_SINGLE   0
+#define PSRAM_PARALLEL 1
+
+enum PSRAM_FUSE_ID {
+    APS3208K = 0x00,
+    SCKW18_12816O = 0x01,
+    APS12816O = 0x02,
+};
+
+struct _psram_id {
+    u8 psram_fuse_id;
+    u32 psram_chip_id;
+};
+
+struct _psram_info {
+    u8 mark_id;
+    u8 psram_num;
+    u32 psram_size;
+    struct _psram_id psram_id;
+};
+
+#define PSRAM_TABLE_INFO        \
+{                               \
+    /* force use the cfg0 */    \
+    {0x0, 0, 0, {0, 0}},        \
+    /* G730CES NON PSRAM*/      \
+    {0x21, 0, 0, {0, 0}},       \
+    /* G730EES NON PSRAM*/      \
+    {0x22, 0, 0, {0, 0}},       \
+}
+
+struct _psram_info psram_table_info[] = PSRAM_TABLE_INFO;
+
+u8 psram_get_mark_id(void)
+{
+    u32 fuse_218 = readl(0x19010218);
+    u8 mark_id = fuse_218 & 0xff;
+
+    pr_info("fuse_218(0x19010218)=0x%x, mark_id=0x%x\n", fuse_218, mark_id);
+    return mark_id;
+}
+
+u8 psram_get_psram_id(void)
+{
+    u32 fuse_224 = readl(0x19010224);
+    u8 psram_id = (fuse_224 & 0xff0000) >> 20;
+
+    pr_info("fuse_224(0x19010224)=0x%x, psram_id=0x%x\n", fuse_224, psram_id);
+    return psram_id;
+}
+
+struct _psram_info *psram_get_info(u8 mark_id, u8 psram_fuse_id)
+{
+    u32 len = ARRAY_SIZE(psram_table_info);
+
+    for (int i = 0; i < len; i++) {
+        if (((mark_id == psram_table_info[i].mark_id) &&
+             (psram_fuse_id == psram_table_info[i].psram_id.psram_fuse_id))) {
+            return &psram_table_info[i];
+        }
+    }
+    pr_info("can't get the psram table, return the default info.\n");
+    return &psram_table_info[0]; //if not find anyone, return the default info.
+}
+
+u32 aic_get_ram_size(void)
+{
+    struct _psram_info *psram_info;
+    u8 mark_id, psram_id;
+
+    mark_id = psram_get_mark_id();
+    psram_id = psram_get_psram_id();
+    psram_info = psram_get_info(mark_id, psram_id);
+
+    return psram_info->psram_size;
+}